Barrington, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barrington, a village in Cook County, Illinois.
Overnight
62°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4am, then showers and thunderstorms. Cloudy. Low around 62, with temperatures rising to around 64 overnight. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Barrington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms Likely | 10 mph ESE | 97% |
| Saturday | 76°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SSE | 100% |
| Saturday Night | 62°F | Showers And Thunderstorms | 5 to 10 mph ENE | 94% |
| Sunday | 69°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 57% |
| Sunday Night | 56°F | Slight Chance Rain Showers | 15 mph NE | 19% |
| Monday | 64°F | Chance Rain Showers | 15 mph ENE | 25% |
| Monday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph ENE | 16% |
| Tuesday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 12% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 to 15 mph NE | 6% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 12% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 5% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NNE | 5% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph NNE | 4% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Barrington (42.152, -88.129). Updated through the day.
Growing snapshot for Barrington
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
5b
More local growing data for Barrington: nearby ZIP 60010 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Barrington 3Sw, Il (2.2 mi from Barrington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.